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Help CenterCisco 1900 Series Integrated Services Routers CISCO 1921/K9, CISCO 1921-SEC/K9, and Cisco 1921DC/K9
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Specifications
2 RU and 1 RU units with 2 GE WAN ports1 ISM
DES, 3DES and AES for IPSec and SSL VPNs
16 Wireless VLANs and 15 SSIDs
Product Overview
Specifications at a Glance
- 2 RU and 1 RU units with up to 2 GE integrated WAN ports
- Up to 1 Integrated Service Module (ISM)
- Up to 11 LAN switch ports, two Enhanced High-Speed WAN Interface Card slots
- Hardware accelerated DES, 3DES and AES for IPSec and SSL VPNs
- Integrated 802.11a/g/n access point with 802.11i, WPA and WPA2 for security
- 16 Wireless VLANs and 15 SSIDs
- WAN optimization through WAAS Express
- Secure cloud access with integrated intrusion prevention, content filtering and cloud web security
Key Features and Benefits of the Cisco 1921 Integrated Services Router
Benefits |
Description |
Service integration |
• The Cisco 1921 offers increased levels of services integration with data, security, wireless, and mobility services, enabling greater efficiencies and cost savings. |
Services on demand |
• A single Cisco IOS Software Universal image is installed on each ISR G2. The Universal image contains all of the Cisco IOS Software technology sets that can be activated with a software license, allowing your business to quickly deploy advanced features without downloading a new Cisco IOS Software image. Additionally, larger default memory is included to support the new capabilities. |
High performance with integrated services |
• The Cisco 1900 Series enables deployment in high-speed WAN environments with concurrent services enabled up to 15 Mbps. |
Network agility |
• Designed to address customer business requirements, the Cisco 1921 with the modular architecture offers a performance range of modular interfaces and services as your network needs grow.
• Modular interfaces offer increased bandwidth, a diversity of connection options, and network resiliency.
|
Energy efficiency |
• The Cisco 1921 architecture provides energy-savings features that include the following:
• The Cisco 1900 Series offers intelligent power management and allows you to control power to the modules based on the time of day. Cisco EnergyWise technology will be supported in the future.
• Services integration and modularity on a single platform performing multiple functions optimizes raw-materials consumption and energy usage.
• Platform flexibility and ongoing development of both hardware and software capabilities lead to a longer product lifecycle, lowering all aspects of the TCO, including materials and energy use.
• High-efficiency power supplies are provided with each platform.
• DC Power option available (CISCO1921DC/K9).
|
Investment protection |
• The Cisco 1921 maximizes investment protection:
• Reuse of a broad array of existing modules supported on the original ISRs provides a lower TCO.
• A rich set of Cisco IOS Software features is carried forward from the original ISRs and delivered in the Universal image.
• This router gives you the flexibility to grow as your business needs evolve.
|
Architectural Features and Benefits
Architectural Feature |
Benefits |
Modular platform |
• The Cisco 1921 ISRs are highly modular platforms with multiple module slots to provide connectivity and services for varied branch-office network requirements.
• The ISRs offer an industry-leading breadth of LAN and WAN connectivity options through modules to accommodate field upgrades to future technologies without requiring replacement of the platform.
|
Processors |
• The Cisco 1921 is powered by high-performance multicore processors that support growing demands of branch-office networks by supporting high-throughput WAN requirements. |
Embedded IP Security/Secure Sockets Layer (IPsec/SSL) VPN hardware acceleration |
• Embedded hardware encryption acceleration is enhanced to provide higher scalability, which, combined with an optional Cisco IOS Security license, enables WAN link security and VPN services (both IPsec and SSL acceleration).
• The onboard encryption hardware outperforms the advanced integration modules (AIMs) of previous generations.
|
Integrated Gigabit Ethernet ports |
• All onboard LAN and WAN ports are 10/100/1000 Gigabit Ethernet routed ports. |
Innovative universal-serial-bus (USB)-based console access |
• A new, innovative, mini-Type B USB console port supports management connectivity when traditional serial ports are not available.
• The traditional console and auxiliary ports are also available. You can use either the USB-based console or the RJ-45-based console port to configure the router.
|
Optional external power supply for distribution of PoE |
• An optional upgrade to the power supply provides inline power (802.3af-compliant PoE) and Cisco Standard Inline Power to optional integrated switch modules. |
Modularity Features and Benefits
Feature |
Benefits |
|
Cisco Enhanced High-Speed WAN Interface Card (EHWIC) |
• The EHWIC slot replaces the high-speed WAN interface card (HWIC) slot and can natively support HWICs, WAN interface cards (WICs), and voice/WAN interface cards (VWICs).
• Two integrated EHWIC slots are available on the Cisco 1921 for flexible configurations for support of two modules: One doublewide HWIC-D or two singlewide EHWIC/HWIC modules are supported.
• Each EHWIC slot offers high-data-throughput capability.
|
USB 2.0 ports |
• One high-speed USB 2.0 port is supported. The USB port enables another mechanism for secure-token capabilities and storage. |
Cisco 1921 with Cisco IOS Software Feature and Protocol High-Level Support
Feature |
Description |
Protocols |
IPv4, IPv6, static routes, Open Shortest Path First (OSPF), Enhanced IGRP (EIGRP), Border Gateway Protocol (BGP), BGP Router Reflector, Intermediate System-to-Intermediate System (IS-IS), Multicast Internet Group Management Protocol (IGMPv3) Protocol Independent Multicast sparse mode (PIM SM), PIM Source-Specific Multicast (SSM), Distance Vector Multicast Routing Protocol (DVMRP), IPsec, generic routing encapsulation (GRE), Bidirectional Forwarding Detection (BVD), IPv4-to-IPv6 Multicast, MPLS, Layer 2 Tunneling Protocol Version 3 (L2TPv3), 802.1ag, 802.3ah, and Layer 2 and Layer 3 VPN. |
Encapsulations |
Ethernet, 802.1q VLAN, Point-to-Point Protocol (PPP), Multilink Point-to-Point Protocol (MLPPP), Frame Relay, Multilink Frame Relay (MLFR) (FR.15 and FR.16), High-Level Data Link Control (HDLC), Serial (RS-232, RS-449, X.21, V.35, and EIA-530), Point-to-Point Protocol over Ethernet (PPPoE), and ATM. |
Traffic management |
QoS, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Hierarchical QoS, Policy-Based Routing (PBR), Performance Routing (PfR), and Network-Based Application Recognition (NBAR). |
Product Specifications of Cisco 1921 Integrated Services Router
Cisco 1921 Integrated Services Router |
|
Services and Slot Density | |
Embedded hardware-based cryptography acceleration (IPsec + SSL) |
Yes |
RJ-45 onboard LAN/WAN 10/100/1000 ports |
2 |
EHWIC slots |
2 |
Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume 2 EHWIC slots) |
1 |
Cisco Integrated Services Module (ISM) slots |
0 |
Memory (DDR2 DRAM): Default/maximum |
512 MB/512 MB |
USB flash memory (internal): Default/maximum |
256 MB/256 MB |
External USB flash-memory slots (Type A) |
1 |
USB console port (mini-Type B) (up to 115.2 kbps) |
1 |
Serial console port (up to 115.2 kbps) |
1 |
Serial auxiliary port (up to 115.2 kbps |
1 |
Integrated power supply |
AC and DC power-supply models |
Power-supply options |
POE (external) - on AC models only |
Redundant-power-supply support |
No |
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